@misc{indiciaec579ce280607, title = {Using task clarification, graphic feedback, and verbal feedback to increase closing-task completion in a privately owned restaurant.}, author = {John Austin and Nic L Weatherly and Nicole E Gravina}, year = {2005}, doi = {10.1901/jaba.2005.159-03}, url = {https://pubmed.ncbi.nlm.nih.gov/15898481/}, note = {Source identifier: 15898481} }